200210001222001 has 4 divisors (see below), whose sum is σ = 200233453263012. Its totient is φ = 200186549180992.

The previous prime is 200210001221933. The next prime is 200210001222029. The reversal of 200210001222001 is 100222100012002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167888513552400 + 32321487669601 = 12957180^2 + 5685199^2 .

It is a cyclic number.

It is not a de Polignac number, because 200210001222001 - 2²⁵ = 200209967667569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200210001222071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11726007700 + ... + 11726024773.

It is an arithmetic number, because the mean of its divisors is an integer number (50058363315753).

Almost surely, 2^{200210001222001} is an apocalyptic number.

It is an amenable number.

200210001222001 is a deficient number, since it is larger than the sum of its proper divisors (23452041011).

200210001222001 is an equidigital number, since it uses as much as digits as its factorization.

200210001222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23452041010.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200210001222001 its reverse (100222100012002), we get a palindrome (300432101234003).

The spelling of 200210001222001 in words is "two hundred trillion, two hundred ten billion, one million, two hundred twenty-two thousand, one".